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Chapter 1: Q11.3-19E (page 9)

Calculate the percent by mass of KBr in a saturated solution of KBr in water at 10 °C. See Figure for useful data, and report the computed percentage to one significant digit.

Short Answer

Expert verified

The percentage by mass of KBr in a saturated solution of KBr in water at 10oC is 40%.

Step by step solution

01

Solubility

Solubility is defined as the solute which dissolves in the solvent and forms a solution. The solution can be different as some solutions can conduct electricity and some cannot.

02

Explanation for Ions Interaction

As per the graph,

At \({\rm{ 10 ^\circ C,}}\)\) the solubility of KBr in water is approximately 60g per 100g of water.

\(\begin{array}{l}{\rm{\% Mass of KBr = }}\frac{{{\rm{Mass of solute}}}}{{{\rm{Total mass of Solution}}}} \times {\rm{100}}\\{\rm{\% Mass of KBr = }}\frac{{{\rm{60g KBr}}}}{{{\rm{(60 + 100)g}}}} \times {\rm{100 = 40\% }}\end{array}\)

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Most popular questions from this chapter

Question: As an instructor is preparing for an experiment, he requires 225 g phosphoric acid. The only container readilyavailable is a 150-mL Erlenmeyer flask. Is it large enough to contain the acid, whose density is 1.83 g/mL?

Question : Name the following compounds

  1. CsCl
  2. BaO
  3. K2S
  4. BeCl2
  5. HBr

f. AlF3

How does an element differ from a compound? How are they similar?

What is the volume in liters of 1.000 oz, given that 1 L = 1.0567 qt and 1 qt = 32 oz (exactly)?

Perform the following calculations and report each answer with the correct number of significant figures.

(a) 628 × 342

(b) (5.63 ×102) × (7.4 ×103)

(c) 28.0/ 13.483

(d) 8119 × 0.000023

(e) 14.98 + 27,340 + 84.7593

(f) 42.7 + 0.259
See all solutions

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